64915380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8387}}^1$

素因数の和:8445

約数の個数: 72

約数和(自身を含む): 201513312

約数和(自身を除く): 136597932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 8387, 16774, 25161, 33548, 41935, 50322, 75483, 83870, 100644, 125805, 150966, 167740, 251610, 301932, 360641, 377415, 503220, 721282, 754830, 1081923, 1442564, 1509660, 1803205, 2163846, 3245769, 3606410, 4327692, 5409615, 6491538, 7212820, 10819230, 12983076, 16228845, 21638460, 32457690, 64915380]

約数ペア:

[(1, 64915380), (2, 32457690), (3, 21638460), (4, 16228845), (5, 12983076), (6, 10819230), (9, 7212820), (10, 6491538), (12, 5409615), (15, 4327692), (18, 3606410), (20, 3245769), (30, 2163846), (36, 1803205), (43, 1509660), (45, 1442564), (60, 1081923), (86, 754830), (90, 721282), (129, 503220), (172, 377415), (180, 360641), (215, 301932), (258, 251610), (387, 167740), (430, 150966), (516, 125805), (645, 100644), (774, 83870), (860, 75483), (1290, 50322), (1548, 41935), (1935, 33548), (2580, 25161), (3870, 16774), (7740, 8387)]